From Wikipedia, the free encyclopedia
  (Redirected from IRS-1E)
Jump to navigation Jump to search
Mission typeEarth Observation
Remote Sensing
Mission durationFailed to orbit
Spacecraft properties
Launch mass846 kilograms (1,865 lb)
Power415 watts
Start of mission
Launch dateSeptember 20, 1993 (1993-09-20)
Launch siteSriharikota FLP
Orbital parameters
Reference systemGeocentric

IRS-P1 or IRS-1E was an experimental earth observation mission undertaken by Indian Space Research Organisation (ISRO). The objective of the mission was to develop earth imagery using instruments carried on board. Due to a malfunction in the last stage of the rocket, the satellite deviated from its path and plunged into the sea.[1]


IRS-P1 was a follow-up mission to the satellite IRS-1A, to develop India's capability in the field of remote sensing. The satellite was to take up missions in the area of ground-water exploration, land use, forest and flood mapping.[2] The letter 'P' in the Indian Remote Sensing series of Earth Observation satellites indicates that the satellite was to be launched aboard a Polar Satellite Launch Vehicle (PSLV).[3] It was launched on September 20, 1993.[4]


IRS-P1 carried two payloads:

  • LISS-I (Linear Imaging Self-Scanning System)
  • MEOSS (Monocular Electro-Optical Stereo Scanner)[5]

Mission Result[edit]

IRS-P1 mission was a failure, as the last stage of the PSLV-D1 malfunctioned, so failed to launch the satellite into its desired orbit.

See also[edit]


  1. ^ "IRS-P1 Satellite (Indigenously Launched (P) Series)". Indian Institute of Technology, Bombay. Retrieved March 11, 2013.
  2. ^ "Program: IRS". World Space stamp catalog. October 7, 2005. Retrieved March 11, 2013.
  3. ^ "IRS-P3". Earthnet Online. Retrieved 2013-02-02.
  4. ^ "IRS-1E". Indian Space Research Organisation. Retrieved March 11, 2013.
  5. ^ "IRS (Indian Remote Sensing Satellites) - Overview and early LEO Program of ISRO". Retrieved March 11, 2013.

External links[edit]